Cisco Cisco IOS Software Release 12.2(35)SE
21
Release Notes for the Cisco ME 3400 Ethernet Access Switch, Cisco IOS Release 12.2(40)SE
OL-13862-01
Related Documentation
This message means that an internal power supply is not providing power. To receive this alert if power
fails on the ME 3400G-12CS-DC switch with two power feeds, we recommend that you connect one feed
to the left DC power terminal block and the other to the right DC power terminal block. (See the example
in
fails on the ME 3400G-12CS-DC switch with two power feeds, we recommend that you connect one feed
to the left DC power terminal block and the other to the right DC power terminal block. (See the example
in
Figure 1
Connecting Separate Feeds to Each of the DC Power Terminal Blocks
If you want an alert if an external power supply fails, do not connect feeds to one terminal block and
from there connect feeds to the second terminal block. (See the example in
from there connect feeds to the second terminal block. (See the example in
.) This configuration
provides redundant power, and the switch continues to operate if one of the external power supplies fails.
However, the software does not send a message to you that an internal power supply has failed.
However, the software does not send a message to you that an internal power supply has failed.
Figure 2
Connecting Feeds from One Terminal Block to the Second Terminal Block
Related Documentation
These documents provide complete information about the switch and are available from this Cisco.com
site:
site:
1
Primary power feed
2
Secondary (redundant) power feed
CONSOLE
SYSTEM
INPUT -36 – -72
V
CURRENT 2 – 1A
A
B
+
+
INPUT -36 – -72
V
CURRENT 2 – 1A
A
B
+
+
PS 1
PS 2
PS 2
191863
1
2
CONSOLE
SYSTEM
INPUT -36 – -72
V
CURRENT 2 – 1A
A
B
+
+
INPUT -36 – -72
V
CURRENT 2 – 1A
A
B
+
+
PS 1
PS 2
PS 2
191867